The On-line  Friction Experiment.

This experiment may be reported to your  in one of two ways. Two methods are provided in case your browser does not allow one of them. In both cases you will be using an applet from the site of Walter Fendt in Germany, who has made some very nice applets. When you submit your answer, you will receive a Freddo. Try Method 2 first.
Method 1.  
Open the linked Excel spreadsheet. 
Half-size the window by clicking on the middle of the top right buttons (next to the x) 
Carry out the experiment according to the instructions on the spreadsheet. 
Open Spreadsheet.    
Open Applet 
Back to the Inclined Plane		  Method 2 

Instructions.  

  1. Visit Walter Fendt's inclined plane applet. Keep the mass of the load as it is, and change only the number of pulleys. Type the appropriate values into the table. 
  2. Click on the Submit button when you are finished
Coefficient of Friction  Load 
(N)		 Necessary Force (N)
0
0.20 
0.5

If neither method of transmission works, print this page out and hand it in.